/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dolphinscheduler.plugin.datasource.api.utils;

import com.fasterxml.jackson.databind.JsonNode;
import org.apache.dolphinscheduler.common.utils.JSONUtils;
import org.apache.dolphinscheduler.plugin.datasource.api.datasource.BaseDataSourceParamDTO;
import org.apache.dolphinscheduler.plugin.datasource.api.datasource.DataSourceProcessor;
import org.apache.dolphinscheduler.plugin.datasource.api.plugin.DataSourceProcessorProvider;
import org.apache.dolphinscheduler.spi.datasource.ConnectionParam;
import org.apache.dolphinscheduler.spi.enums.DbType;

import java.sql.Connection;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class DataSourceUtils {

  public DataSourceUtils() {
  }

  private static final Logger logger = LoggerFactory.getLogger(DataSourceUtils.class);

  /**
   * check datasource param
   *
   * @param baseDataSourceParamDTO datasource param
   */
  public static void checkDatasourceParam(BaseDataSourceParamDTO baseDataSourceParamDTO) {
    getDatasourceProcessor(baseDataSourceParamDTO.getType()).checkDatasourceParam(baseDataSourceParamDTO);
  }

  /**
   * build connection url
   *
   * @param baseDataSourceParamDTO datasourceParam
   */
  public static ConnectionParam buildConnectionParams(BaseDataSourceParamDTO baseDataSourceParamDTO) {
    ConnectionParam connectionParams = getDatasourceProcessor(baseDataSourceParamDTO.getType())
        .createConnectionParams(baseDataSourceParamDTO);
    logger.info("parameters map:{}", connectionParams);
    return connectionParams;
  }

  public static ConnectionParam buildConnectionParams(DbType dbType, String connectionJson) {
    return getDatasourceProcessor(dbType).createConnectionParams(connectionJson);
  }

  public static String getJdbcUrl(DbType dbType, ConnectionParam baseConnectionParam) {
    return getDatasourceProcessor(dbType).getJdbcUrl(baseConnectionParam);
  }

  public static Connection getConnection(DbType dbType, ConnectionParam connectionParam) {
    try {
      return getDatasourceProcessor(dbType).getConnection(connectionParam);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

  public static String getDatasourceDriver(DbType dbType) {
    return getDatasourceProcessor(dbType).getDatasourceDriver();
  }

  public static BaseDataSourceParamDTO buildDatasourceParamDTO(DbType dbType, String connectionParams) {
    return getDatasourceProcessor(dbType).createDatasourceParamDTO(connectionParams);
  }

  public static DataSourceProcessor getDatasourceProcessor(DbType dbType) {
    Map<String, DataSourceProcessor> dataSourceProcessorMap = DataSourceProcessorProvider.getInstance().getDataSourceProcessorMap();
    if (!dataSourceProcessorMap.containsKey(dbType.name())) {
      throw new IllegalArgumentException("illegal datasource type");
    }
    return dataSourceProcessorMap.get(dbType.name());
  }

  /**
   * get datasource UniqueId
   */
  public static String getDatasourceUniqueId(ConnectionParam connectionParam, DbType dbType) {
    return getDatasourceProcessor(dbType).getDatasourceUniqueId(connectionParam, dbType);
  }

  /**
   * build connection url
   */
  public static BaseDataSourceParamDTO buildDatasourceParam(String param) {
    JsonNode jsonNodes = JSONUtils.parseObject(param);

    return getDatasourceProcessor(DbType.ofName(jsonNodes.get("type").asText().toUpperCase()))
        .castDatasourceParamDTO(param);
  }
}
